短信发送器

        //点击发送按钮后发送用户输入的内容
        //1、获取用户输入的内容
        EditText et_phone = (EditText) findViewById(R.id.et_phone);
        EditText et_content = (EditText) findViewById(R.id.et_content);
        String phone = et_phone.getText().toString();
        String ms = et_content.getText().toString();
        //拿到发送短信的api
        SmsManager sm = SmsManager.getDefault();
        ArrayList<String> mss = sm.divideMessage(ms);
        for(String msg : mss){
            sm.sendTextMessage(phone, null, msg, null, null);
        }